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Input Section

Input connector
Input impedance
Gain range

Tone controls 

Bass 

Low Mid

High Mid

Treble

Tube Tone

Spectra Comp

Preset Level

User Memories

Tuner 

Tuning range

Mute

Master Level
Headphone output

Impedance

1/4" jack 
1 Mohm / 100 pF
-96 to 32dB

Center Freq: 280Hz (range: 71-1120Hz,
Gain: +15/-24dB)
Center Freq: 400Hz (range: 100-1600Hz,
Gain: +15/-24dB)
Center Freq: 800Hz (range: 200-3150Hz,
Gain: +15/-24dB)
Center Freq: 1600Hz (range: 400-6300Hz,
Gain: +12/-24dB)

0 to12, Tube amp Recreation

3 band Spectral Compression

-12 dB to 0  gain attenuation

3 memory locations storing all front panel
controls except Mute & Master Level

Chromatic, constant on
A0 (27.50Hz) to E5 (659.26Hz) 

Mutes speaker out, Phones out and
Balanced out

Studio quality headphone amp
40 to 600 Ohm

Mains supply

Speaker out

Power rating

Balanced output

Max. Output 
Optimal Load
Impedance

Preamp out

Power amp in 

Rehearsal input

Digital Recording out

Remote connection

Dimensions

Weight

Finish

Universal 100 - 240V 50/60Hz 
(80w @ 1/8 Power)

Combined Speakon / 1/4" jack

450w (800w Peak)

Transformer Balanced XLR, Pre/Post Pre-amp
+0dBu

600 Ohm

1/4" Jack, Balanced Output, Max Output
Level = +8dBu
1/4" Jack, balanced input, impedance = 
10 kOhm, Max Input Level = +8dBu

RCA, Left/Right input, fits to iPod ®

Balanced XLR, AES/EBU, (24-bit)

5 pin DIN, Cable with shield

275 x 290 x 66 mm / 10,8” x 11,4” x 2,6”

4kg / 8.8 pounds

Sandblasted die-cast aluminum

APPENDIX –  TECHNICAL SPECIFICATIONS

19

EN

Due to continuous development, these specifications
are subject to change without notice.

Summary of Contents for RH450

Page 1: ...RH450 USER S MANUAL...

Page 2: ......

Page 3: ...d in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally...

Page 4: ...rent from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help For Customers in Canada This Class B digital apparatus complies with Canadian ICES 0...

Page 5: ...Certificate of Conformity a b Table of Contents 3 Introduction 4 Quick Setup Guide 5 OPERATION Front panel 6 RC4 13 Rear panel 14 APPENDIX General Protection mode 17 Heat Protection mode 17 Technical...

Page 6: ...gives you all the character of a tube amp while delivering 450 Watts of undiluted power RH450 has traditional tone controls but also includes groundbreaking features giving the amp a personality and...

Page 7: ...u can connect up to three RS cabinets or any other two 8 Ohm cabinets of another brand to the amplifier minimum load 4 Ohm Connect the power cable and power up The RH450 s power supply accepts voltage...

Page 8: ...he amount of SpectraComp compression SpectraComp uses a so called spectral or multi band approach to compression allowing for individual compression of the low mid and high frequency bands Multiband c...

Page 9: ...mpressed at all or that just when the G string starts to sound right the low E string is compressed too strongly In other words You are constantly dealing with a tight and difficult compromise With Sp...

Page 10: ...ample Press SHIFT and turn the LO MID knob to change the center frequency of that control While the RH450 is in Shift mode the SHIFT button will be blinking to remind you that you are in Shift mode Wh...

Page 11: ...MEM preset When you haven t been using the RH450 s front panel controls for about twenty seconds the LED will flash rapidly and the RH450 will automatically return to normal mode In normal mode the T...

Page 12: ...evel Settings When you haven t been using the RH450 s front panel controls for about twenty seconds the RH450 will return to normal mode where the knobs control the primary functions printed in white...

Page 13: ...A are indicated as follows Example A The tuner also offers a Mute mode with additional tuner information To activate Mute mode simply press the MUTE button Now the BASS tone control turns into a high...

Page 14: ...eference The center position equals 440 Hz and each LED represents one Hertz So to set the tuner reference frequency e g to 438 Hz turn the BASS knob counter clockwise until the second LED on the left...

Page 15: ...ns of the front panel knobs no longer correspond with the stored settings 2 MUTE button Press the M ute button to mute the RH450 s outputs This is useful for tuning or e g unplugging changing your bas...

Page 16: ...andy when you use the RH450 on a tour The ground pin of the PSU must be connected in order to avoid voltage differences between e g the PA and the RH450 2 SPEAKER OUT Use the SPEAKER OUT combo connect...

Page 17: ...recording In order to record straight from the RH450 s digital output follow these steps Connect the RH450 s DIGITAL OUT jack to your DAW Set your DAW to follow slave to external clock Hit the record...

Page 18: ...ification power at your fingertips 8 LINE DRIVER OUT Balanced Line Out Use the LINE DRIVER OUT jack to connect the RH450 to the PA when you play on stage or to connect your amp to a recording device w...

Page 19: ...ill indicates P you will have to send the RH450 to a qualified service center for inspection Heat Protection Mode If the display indicates an H the amp is too hot This is rarely seen but a few extreme...

Page 20: ...APPENDIX SIGNAL FLOW 18...

Page 21: ...659 26Hz Mutes speaker out Phones out and Balanced out Studio quality headphone amp 40 to 600 Ohm Mains supply Speaker out Power rating Balanced output Max Output Optimal Load Impedance Preamp out Po...

Page 22: ......

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