Anthem STR Power Amplifier
- Free Mainland UK Shipping on orders over £100
- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
A reference-grade dual-mono stereo power amplifier engineered to deliver uncompromising control, dynamic headroom and transparency. Designed and crafted in Canada, it combines massive current delivery with advanced protection systems — making it the ideal partner for the STR Preamplifier or any high-end balanced system.
Key Benefits
- 400W per channel into 8Ω, 600W into 4Ω, 800W into 2Ω (both channels driven)
- True dual-mono design with massive toroidal transformers
- Sixteen bipolar output devices per channel for exceptional current delivery
- Cascoded complementary feedback input stage for ultra-low distortion
- Advanced Load Monitoring™ (ALM™) protection system
- Balanced XLR and RCA inputs
- Soft turn-on circuitry and multiple power-on trigger options
- Graphic front-panel display with power meter and status information
- No rail fuses for improved reliability and signal integrity
- 5-year manufacturer warranty when purchased from an authorised dealer
Technical Specifications
Power Output (Continuous, Both Channels Driven)
- 400W into 8Ω
- 600W into 4Ω
- 800W into 2Ω
Amplifier Topology
- Dual-mono architecture
- Cascoded complementary feedback input stage
- 16 bipolar output devices per channel
- Massive dual toroidal transformers
Performance
- High current capability
- Advanced Load Monitoring™ protection
- Soft start circuitry
- No rail fuses
Connectivity
- Balanced XLR inputs
- RCA inputs
- Multiple trigger and power control options
Dimensions & Weight
- 432mm (W) x 172mm (H) x 445mm (D)
- Approx. 31kg
Power Requirements
- 120V or 220–240V versions available depending on region
What’s in the Box
- Power amplifier unit
- Power cable
- Quick start guide and documentation