| Number of amp blocks | 3 (1 Driver block + 2 Power blocks) |
| Inputs | 1 XLR ; 2 RCA |
| Speakers | 4, 6, 8, 16 Ohms |
| Vacuum tube complement | |
| – Output tubes: | 845 x 4 |
| – Pre & driver tubes: | 1 x 12AU7 ; 1 x 6SN7 ; 2 x 6V6 ; 2 x 811 (572B) |
| Output Power (per channel) | 140W peak (CLASS A – 70W RMS) |
| Frequency response | 8Hz – 30kHz (-3dB) |
| Input Sensitivity | 800mV |
| Input Impedance | 100kOhms |
| Power Requirements | 230V (it is possible to set 100 / 117 / 240V / 50-60Hz by different markets) |
| Power Consumption | 810W |
| Dimensions (W x D x H) | 45 x 38 x 29 (cm) x 3 block |
| Weight | 116kgs |
| Phono MM/MC | No |
| Remote control | Included |
845 Anniversary
SPECIFICATIONS
INTRODUCTION & FEATURE
The 845 Anniversary is a complete amplifier solution with 3 blocks:
– 1 Driving Stage (811): This block acts as the pre stage in combination with the driving stage to drive tube 845:
+ 3 Input gates: 2 RCA and 1 XLR
+ Volume and input selector
+ Fully functional remote control (GOLD version)
+ Phase reversing and driving tube 845: The 811 Single Ended with phase transformer driving tube 845 to create detailed yet powerful sound.
– 2 Power Stage (845): tube 845 runs the Push Pull Class A circuit
+ High quality output transformer
+ High quality toroid transformer
+ Carefully designed course with choke and oil cap
+ The switch with 2 different bias levels to optimize the sound from tube 845
* Highlighted features of Ampli 845 Anniversary amplifier for distinctive sound:
– Tube 811 is used with a single-ended cascade transformer for the driving stage to drive the power stage of tube 845. This solution optimizes both the Push-Pull and the Single-Ended circuit designs.
– 60W/ch. Capacity
– Tube 845’s powerful sound blends with tube 811’s detailed sound
– Details and space have mastered the essence of sound reproduction
– Clear and inspiring middle sound
– The typical low and mid bass of tube 845 is rated as the best among that of all tubes
** This set of amplifier is a great partner many loud speakers, especially high-end ones, broadcasting the most authentic and subtle sound!
The differences between GOLD and Standard versions:
– Remote controls:
+ GOLD: using both remote and manual volume and selector controls
+ Standard: using only manual volume and selector control
– Accessories:
+ GOLD: Lamp base, luxurious high-end connector, high quality capacitors, resistors at important positions, selective tubes perfectly equipped for high fidelity
+ Standard: ThivanLabs’ standard components
