DATA SHEET THX 22 & THX 44 HOME CINEMA EQUALIZERS LEFT CHANNEL RIGHT CHANNEL L U C A S FIL M PWR +6 +6 +6 +6 +6 +6 R +4 +4 +4 +4 +4 +4 +2 +2 1k 3k 10k +2 1k 3k 10k +2 +2 1k 3k 10k +2 1k 3k 10k FREQUENCY FREQUENCY FREQUENCY FREQUENCY THX 22 0 0 0 0 0 0 BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH BYPASS -2 -2 -2 -2 0.7 2.1 3.5 0.7 2.1 3.5 0.7 2.1 3.5 0.7 2.1 3.5 -4 -4 -4 -4 -6 -6 -6 -6 -6 -6 80100 125 160 200 250 315 400 500 630 800 LEVEL LEVEL 80100 125 160 200 250 315 400 500 630 800 LEVEL LEVEL 80 100 125 160 200 250 315 400 500 630 800 80 100 125 160 200 250 315 400 500 630 800 80100 125 160200 250 315 400500 630 800 +6 +6 +4 +4 L U C A S FIL M +2 +2 R THX 44 POWER HOME CINEMA EQUALIZER -2 -2 -4 -4 -6 -6 LEFT CHANNEL CENTER CHANNEL RIGHT CHANNEL SUBWOOFER LEVEL FREQUENCY LEVEL FREQUENCY LEVEL FREQUENCY LEVEL FREQUENCY FREQUENCY LEVEL FREQUENCY LEVEL FREQUENCY LEVEL FREQUENCY +4 +4 +4 +4 +4 +4 +6 +6 +2 +2 +2 +2 +2 +2 +3 +3 1k 3k 10k 1k 3k 10k 1k 3k 10k 1k 3k 10k 1k 3k 10k 1k 3k 10k 20 50 80 20 50 80 BYPASS 0 0 0 0 0 0 0 0 -2 0.7 2.1 3.5 -2 0.7 2.1 3.5 -2 0.7 2.1 3.5 -2 0.7 2.1 3.5 -2 0.7 2.1 3.5 -2 0.7 2.1 3.5 -3 0.5 1.5 2.5 -3 0.5 1.5 2.5 -4 -4 -4 -4 -4 -4 -6 -6 BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH BANDWIDTH General Description Room Control. The THX 22 and Not just THX. Traditional surround Subwoofer Channel. The THX 44 THX 44 provide exact equalization sound systems also benefit from the also has a specially designed 2-band controls for use in correcting room THX 44 and THX 22. Though they parametric channel to smooth out the response problems—a critical step in meet THX certification requirements, extreme low end. recreating the home theater listening these equalizers are ideal for any home Stereo applications. In-wall experience. theater application. Multiple channel speakers often carry a reputation for not All rooms differ, and all rooms equalization compensates for poor room sounding as good as box designs. display acoustical problems of some acoustics and help to “timbre match” Equalizers can greatly improve the sort. These anomalies distract from the speakers. This is really important when response of in-walls by removing the enjoyment of the true home theater using different center or surround peaks caused by various wall construc- experience. Recording studios equalize speaker models than the left and right. tions, allowing the different channels to their playback, and the same procedure These equalizers are applicable in plain match room response better for a more at home yields an uncolored, transparent stereo, Dolby Pro-Logic, THX, Dolby transparent sound. sound, as heard in the studio. These Digital, DTS, or any multichannel Anywhere in the home where equalizers are also one of the quietest system. For 5.1 systems, use the remote speakers are used, regardless of available at any price. After alignment, THX 44 for the front channels and the brand or type, equalization makes a pressing the BYPASS switch reveals THX 22 for the surround channels. difference between sounding good and the before and after. The clarity is Main Channels. The THX 44 has sounding great. obvious. three equalizer Channels for Left, Setup and Alignment. The THX 44 First in Home Cinema. Rane Center, and Right. The THX 22 has two and THX 22 install between the developed the first equalizer designed equalizer Channels, and may be used preamp/controller and the power specifically for Home THX audio for the Left and Right Surrounds or as a amplifiers. Setting the controls to THX 1 systems. Rane equalizers are found in dedicated stereo equalizer. Each section standards requires temporary use of a /3- many of the finest recording studios and features an 11-band 1/3-octave graphic octave analyzer with averaging. Consult film dubbing stages around the world. section for low to mid frequency the “Home THX Audio System Room This same circuit design is available for corrections, plus a 2-band parametric Equalization Manual” available from home theater playback. equalizer for high frequencies. the THX or Rane websites. Once set up, all controls are hidden away behind the included security panel. A low-noise power supply and attachable 19" rack mounting ears are Features also provided. • 11 Bands of 1/3-Octave Graphic Equalization 80 Hz to 800 Hz, per Channel • 2 Bands of Parametric Equalization, sweepable 1 kHz to 10 kHz Centers, per Channel • THX 44 features Left, Center and Right Channels and a 2-Band Parametric Subwoofer Channel • THX 22 features Left and Right Channels; Usable for Surround Channels or Stereo Applications • Security cover, rack ears, and low-noise UL/cUL/CE approved power supply included Data Sheet-1 THX 22 & THX 44 HOME CINEMA EQUALIZERS Pnarameter Stpecificatio Lsimi Usnit Conditions/Comment Gsraphic Equalizer Sections: THX 44 = Left, Right, & Center Channel THX 22 = Left & Right Channels .g.........Bands (z11) 1/3-Octave ISO Spacin From 80 Hz to 800 H .Q.........Type Ignterpolating Constant- Smooth combinin .3.........Accuracy %yCenter frequenc .0.........Travel 2mmtPositive grounded center deten .6.........Range ±50B.2 d Parametric Equalizer Sections: .z.........Frequency Range 1 kHz-10 kH LR&C (THX 44); L&R (THX 22) 2)0 Hz-80 Hz Subwoofer (THX 44 .).........Bandwidth Range 0.7-3.5 octaves (Q=2.0-0.33 LR&C (THX 44); L&R (THX 22) 0).5-2.5 octaves (Q=3.0-0.5) Subwoofer (THX 44 .4.........Amplitude Range ±50B.2 d)LR&C (THX 44 ±56 0B.2 d)Subwoofer (THX 44); L&R (THX 22 Inputs: Type Active unbalanced RCA Phono & DB-25 connectors (THX 44); RCA only (THX 22) .k.........Impedance 1%0 1 Ω .5.........Maximum Level 31r4. dkB 11 Volts pea Outputs: Type Active unbalanced RCA Phono & DB-25 connectors (THX 44); RCA only (THX 22) .0.........Impedance 5%1 Ω .k.........Maximum Level +34.5 > = 2 Ω 1rdkB 11 Volts pea Fzrequency Response 220 Hz-20 kH +B0/-. d)LR&C (THX 44), L&R (THX 22 G)roup Delay L°inear (Minimum Phase ±z5 20-20 kH T1HD+Noise 05.00 .%000 1 kHz, +27.5 dBr (5 V peak ) S0ignal-to-Noise 11B2 dtre 5 V pk; A-wtg; input short; fla -1r92.5 dtB A-wtg; input short, fla -1r90.5 dtB 20 kHz BW; input short, fla -1r84.5 dtB A-wtg; input short, full boos -1r87.5 dtB A-wtg; input short, full cu D7ynamic Range 11B2 d)Max out/noise floor (+34.5 dBr/-92.5 dBr C0hannel Separation 9nmBi dd20-20 kHz BP, undriven inputs shorte Unit: Agency Listing .t.........120 VAC model Celass 2 Equipmen National Electrical Cod UtL / CSA Exempt Class 2 equipmen .C.........230 VAC model CCE-EM EMC directive 89/336/EE CE-Safety Exempt per Art. 1 of LVD 73/23/EEC Power Supply: Agency Listing Class 2 equipment .L.........120 VAC model U1File no. E8826 C8SA File no. LR5894 .C.........230 VAC model CCE-EM EMC Directive 89/336/EE CCE-Safety LV Directive 73/23/EE .S.........100 VAC model Byuilt to JI Japan onl Ppower Supply: Input 1%8 VAC w/center ta 1s0 V1rm Model RS .0.........Current 7x5 mAa myrms current from remote suppl T)HX 44 Unit: Size 3).5"H x 19"W x 8.5"D (2U (8.9 cm x 48.3 cm x 21.6 cm 17 3/8" wide w/o rack ears (44.2 cm wide without rack ears) .b.........Weight 8)l (3.6 kg T)HX 22 Unit: Size 1).75"H x 19"W x 8.5"D (1U (4.4 cm x 48.3 cm x 21.6 cm 17 3/8" wide w/o rack ears (44.2 cm wide without rack ears) .b.........Weight 5)l (2.3 kg S"hipping: Size 4).25" x 20.3" x 13.75 (11 cm x 52 cm x 35 cm .b.........THX 44 Weight 1)3 l (5.9 kg .b.........THX 22 Weight 8)l (3.6 kg Note: 0 dBr=150 mVrms=Home THX Equalizer Reference Level Data Sheet-2 THX 22 & THX 44 HOME CINEMA EQUALIZERS THX 22 Block Diagram 11-BAND 2-BAND LEFT OUT GRAPHIC (1/3 OCT) PARAMETRIC LEFT IN 80-800 Hz 1k-10 kHz ±6 dB ±6 dB 0.7-3.5 OCT 11-BAND 2-BAND RIGHT OUT GRAPHIC (1/3 OCT) PARAMETRIC RIGHT IN 80-800 Hz 1k-10 kHz ±6 dB ±6 dB 0.7-3.5 OCT BYPASS THX 44 Block Diagram 11-BAND 2-BAND LEFT OUT GRAPHIC (1/3 OCT) PARAMETRIC LEFT IN 80-800 Hz 1k-10 kHz ±4 dB ±6 dB 0.7-3.5 OCT 11-BAND 2-BAND CENTER OUT GRAPHIC (1/3 OCT) PARAMETRIC INPUT DB-25* CENTER IN OUTPUT DB-25* 80-800 Hz 1k-10 kHz ±4 dB ±6 dB 0.7-3.5 OCT *SEE REAR 11-BAND 2-BAND RIGHT OUT PANEL FOR PIN CONNECTIONS GRAPHIC (1/3 OCT) PARAMETRIC RIGHT IN 80-800 Hz 1k-10 kHz ±4 dB ±6 dB 0.7-3.5 OCT 2-BAND SUBWOOFER OUT PARAMETRIC SUBWOOFER IN 20-80 Hz ±6 dB 0.5-2.5 OCT BYPASS THX is a registered trademark of THX, Ltd.