ModWright KWH 225i Hybrid Integrated Amplifier
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About ModWright KWH 225i Hybrid Integrated Amplifier
ModWright KWH 225i Hybrid Integrated Amplifier
KWH 225i Hybrid Integrated
The KWH 225i represents the culmination of years of SS and tube preamp and amplifier design. Our preferred approach has always been that of a hybrid system. The KWI 200 SS integrated amp was a big success for us, offering excellent performance and integration. The KWH 225i takes things to the next level. We combined the solid state output stage of our Reference KWA 150SE amp with the controls and integration of the KWI 200 and a tube preamp stage. We then increased the power to 225W. The result is the KWH 225i. We think you’ll like it!
POWER RATINGS
225W at 8 ohms at .04% THD.
400W at 4 ohms at .04% THD.
FEATURES
(3) pairs RCA inputs.
(1) pair XLR inputs.
(1) pair RCA Home Theater Bypass or Preamp Input.
(1) pair RCA Preamp-outputs.
(2) Pairs 5-way binding posts.
Front panel controls: Input select, power, volume and HTBP.
Remote Control: Volume, Mute, Input, Power, Display dim/off.
Class A/B Operation. First 25W in Class A.
Zero Global Negative Feedback.
Optional: MM/MC Phono with one pair RCA inputs.
(2) 6922 driver tubes (6dj8, ECC88, 7308 acceptable substitutes).
Dimensions: 17“W x 17“D x 6.5“H
Product Weight: 64 lbs / Shipped Weight: 70 lbs
SPECIFICATIONS
| Gain | 30 dB |
| Frequency Response | 20 Hz–100 kHz (±0 dB) |
| Input Impedance | 20 kΩ |
| Input Sensitivity | 2 V RMS |
| Maximum Input Level | 6 V RMS (18 V peak-to-peak) |
OPTIONAL SS PHONO STAGE
| Installation | User Installable |
| RCA Inputs | 1 set |
| Phono Gain | 50 dB |
| Cartridge Compatibility | MM & High Output MC |
| Loading | 50 Ω / 100 Ω / 500 Ω / 1 kΩ / 47 kΩ / 100 pF |
Technical Specifications
| Model | KWH 225i Hybrid Integrated |
| RCA Inputs | 3 pairs |
| XLR Inputs | 1 pair |
| Home Theater Bypass Input | 1 pair |
| RCA Preamp Outputs | 1 pair |
| Speaker Outputs | 2 pairs 5-way binding posts |
| Gain | 30 dB |
| Frequency Response | 20 Hz–100 kHz (±0 dB) |
| Input Impedance | 20 kΩ |
| Input Sensitivity | 2 V RMS |
| Maximum Input Level | 6 V RMS (18 V peak-to-peak) |
| Front Panel Controls | Input select, power, volume and HTBP |
| Tubes | 2 × 6922 / 6DJ8 / 7308 |
| Operation | Class A/B |
| Class A Output | First 25 W in Class A |
| Global Negative Feedback | Zero Global Negative Feedback |
| Dimensions (W × D × H) | 17 × 17 × 6.5 inches |
| Product Weight | 64 lbs |
| Shipped Weight | 70 lbs |
Remote Functions
Power, volume, mute, input select, dim/turn off displays
